1. How to use Put the air outlets on both ends facing the cheeks, hang it around your neck, press the fan button, the fan starts to work, and the wind blows from the air outlets to the head, bringing a cooling experience. 2. Fan button 1 gear sleeping wind 2 gears natural wind 3 gears cool wind 4 gears cool wind 5 gears strong wind 3. Light button 1 gear strong light flashlight, 2 gears colorful breathing light, 3 gears colorful flashing light 4. Screen display Lighting effect mode: display real-time power value In fan mode, the number of gears is displayed first, and then the real-time power value is displayed Charging mode: display the real-time power value, and the one-digit value will flash back when charging 5. Charging mode Charging: green light breathing effect (the light effect can be turned off by the light button) Fully charged: the red light is always on (the light effect cannot be turned off by the light button) Remarks: During the charging process, under the function o